Finding the Fourth Proportional to 6,642,870.90, 9,964,306.35 and 6,586,883.70
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Solution
The fourth proportional to 6,642,870.90, 9,964,306.35 and 6,586,883.70 is: 9,880,325.55
Step by Step Solution
- Step 1: Write the proportion equation
6,642,870.90 : 9,964,306.35 = 6,586,883.70 : x - Step 2: Convert to fraction form
6,642,870.90/9,964,306.35 = 6,586,883.70/x - Step 3: Cross multiply
6,642,870.90x = 9,964,306.35 × 6,586,883.70 - Step 4: Simplify right side
6,642,870.90x = 65,633,727,078,621.49 - Step 5: Solve for x
x = 65,633,727,078,621.49/6,642,870.90 - Step 6: Final answer
x = 9,880,325.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.